340790 has 16 divisors (see below), whose sum is σ = 625968. Its totient is φ = 133536.

The previous prime is 340789. The next prime is 340793. The reversal of 340790 is 97043.

It is a super-2 number, since 2×340790² = 232275648200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209 + ... + 851.

It is an arithmetic number, because the mean of its divisors is an integer number (39123).

2³⁴⁰⁷⁹⁰ is an apocalyptic number.

340790 is a deficient number, since it is larger than the sum of its proper divisors (285178).

340790 is a wasteful number, since it uses less digits than its factorization.

340790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 340790 is about 583.7722158514. The cubic root of 340790 is about 69.8493358152.

The spelling of 340790 in words is "three hundred forty thousand, seven hundred ninety".